Showcasing the Octopus Bubble Carb Cap for improved heat retention during use. The distinctive shape of the bubble makes it very efficient in capturing the heat, and you are able to easily vaporize your concentrates and get some thicker and more delicious clouds. It can sustain any material and is made of high-quality materials for long-lasting use. It is a perfect item for smoke shops to stock and offer customers looking for a smoother airflow experience.